Search Results - "Leal, J. P."

Europium(III) Tetrakis(β-diketonate) Complex as an Ionic Liquid: A Calorimetric and Spectroscopic Study by Pereira, Cláudia C. L, Dias, Sofia, Coutinho, Isabel, Leal, J. P, Branco, Luís C, Laia, César A. T

“…An intrinsic photoluminescent ionic liquid based on europium(III) tetrakis(β-diketonate) complex with a tetraalkylphosphonium as counterion was synthesized…”
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Suitability of gamma irradiated chitosan based membranes as matrix in drug release system by Casimiro, M.H., Gil, M.H., Leal, J.P.

“…To test the possibility of obtain a material simultaneously biocompatible and microbiologically safe to be used as wound dressing material and as a matrix for…”
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Effect of ionizing radiation on antioxidant compounds present in cork wastewater by MADUREIRA, J, MELO, R, BOTELHO, M. L, LEAL, J. P, FONSECA, I. M

“…A preliminary study of the gamma radiation effects on the antioxidant compounds present in cork cooking water was carried out. Radiation studies were performed…”
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Radiolytic degradation of gallic acid and its derivatives in aqueous solution by Melo, R., Leal, J.P., Takács, E., Wojnárovits, L.

“…Polyphenols, like gallic acid (GA) released in the environment in larger amount, by inducing some unwanted oxidations, may constitute environmental hazard:…”
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Quantitative Imaging and Sigmoidoscopy to Assess Distribution of Rectal Microbicide Surrogates by Hendrix, C W, Fuchs, E J, Macura, K J, Lee, L A, Parsons, T L, Bakshi, R P, Khan, W A, Guidos, A, Leal, J P, Wahl, R

“…Understanding the distribution of microbicide and human immunodeficiency virus (HIV) within the gastrointestinal tract is critical to development of rectal HIV…”
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Chemical Elements: What's in a Name? by LEAL, J. P.

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Measurement of radiotracer concentration in brain gray matter using positron emission tomography: MRI-based correction for partial volume effects by Müller-Gärtner, H W, Links, J M, Prince, J L, Bryan, R N, McVeigh, E, Leal, J P, Davatzikos, C, Frost, J J

“…Accuracy in in vivo quantitation of brain function with positron emission tomography (PET) has often been limited by partial volume effects. This limitation…”
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Radiolytic degradation mechanism of gallic acid and its end-products by Melo, R. P., Leal, J. P., Botelho, M. L.

“…Gallic acid is one of the most representative biorecalcitrant phenolic compounds present in cork processing wastewater. In this communication, chemical…”
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Drug release assays from new chitosan/pHEMA membranes obtained by gamma irradiation by Casimiro, M.H., Gil, M.H., Leal, J.P.

“…With the purpose of obtaining a biocompatible and microbiologically safe matrix that simultaneously could be used as wound dressing material and as a…”
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Evidence of structural order recovery in LDPE based copolymers prepared by gamma irradiation by Ferreira, L.M., Leal, J.P., Casimiro, M.H., Cruz, C., Lancastre, J.J.H., Falcão, A.N.

“…PE-g-HEMA films prepared by the mutual gamma irradiation method were prepared to be used as catalyst support in catalytic membrane reactors (CMR). These…”
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Correction of PET data for partial volume effects in human cerebral cortex by MR imaging by Meltzer, C C, Leal, J P, Mayberg, H S, Wagner, Jr, H N, Frost, J J

“…Due to the limited spatial resolution of positron emission tomography (PET), the accuracy of quantitative measurements of regional metabolism or neuroreceptor…”
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Characterization of PE-g-HEMA films prepared by gamma irradiation through nuclear microprobe techniques by Ferreira, L.M., Leal, J.P., Rodrigues, P.A., Alves, L.C., Falcão, A.N., Gil, M.H.

“…PE-g-HEMA films with different grafting yields prepared by mutual gamma irradiation method at a 60Co source were characterized with ion beam analytical…”
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Study on chemical, UV and gamma radiation-induced grafting of 2-hydroxyethyl methacrylate onto chitosan by Casimiro, M.H., Botelho, M.L., Leal, J.P., Gil, M.H.

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FTICR/MS studies of gas-phase actinide ion reactions : fundamental chemical and physical properties of atomic and molecular actinide ions and neutrals by GIBSON, J. K, HAIRE, R. G, MARCALO, J, SANTOS, M, LEAL, J. P, PIRES DE MATOS, A, TYAGI, R, MROZIK, M. K, PITZER, R. M, BURSTEN, B. E

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Characterisation of gamma irradiated chitosan/pHEMA membranes for biomedical purposes by Casimiro, M.H., Leal, J.P., Gil, M.H.

“…As a polysaccharide of natural origin, chitosan has the inherent properties of being biocompatible, biodegradable, and non-toxic. These properties make…”
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Back to basics: The case of ethane bond enthalpy terms by Leal, J.P.

“…Bond strengths are key values for the prediction of molecular behavior (reactivity, spontaneity, etc.). The values of bond strengths are often not directly…”
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Thermochemistry of Li, Na, K, Rb and Cs alkylated phenoxides by Hipólito, Carla, Leal, João Paulo

“…Lattice energies and thermochemical radii of the anions OR − (R = 2-Me; 2,6-Me 2; 2,4,6-Me 3; 2,6- t-Bu 2) in alkali metal phenoxides, MOR (M = Li, Na, K, Rb…”
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Comment on “Controversy on the First Ionization Potential of PuO2 (Nearly) Settled by New Experimental Evidence” by Gibson, John K, Santos, Marta, Marçalo, Joaquim, Leal, João Paulo, Pires de Matos, António, Haire, Richard G

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Anatomical localization for PET using MR imaging by Meltzer, C C, Bryan, R N, Holcomb, H H, Kimball, A W, Mayberg, H S, Sadzot, B, Leal, J P, Wagner, Jr, H N, Frost, J J

“…Accurate localization of an imaging plane of interest is often needed prior to a positron emission tomographic (PET) study. We have developed a simple method…”
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Improved positron emission tomography quantification by Fourier-based restoration filtering by Links, J M, Leal, J P, Mueller-Gaertner, H W, Wagner, Jr, H N

“…Positron emission tomography (PET) images are characterized by both poor spatial resolution and high statistical noise. Conventional methods to reduce noise,…”
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